The process for resetting the radio code on a car stereo without going to the dealer can vary depending on the make and model of your car and the type of radio installed. Here are a few general steps you can try: (1) Check your owner's manual: Some car manufacturers provide the radio code in the owner's manual, so check there first. (2) Locate the serial number: The radio code is usually tied to the serial number of the radio, so you will need to find the serial number of your radio. This is often printed on a label on the back of the radio or on the metal casing. (3) Use an online radio code calculator: There are several websites that offer free radio code calculators, which can generate the code based on the serial number of your radio. (4) Try a universal code: If you can't find the serial number or an online calculator doesn't work, you can try a universal code. There are several universal codes that work for many different types of car radios. Note: If none of these methods work, you will need to go...